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Add unit test for setReplies action in preview reducer

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Paul Kaplan 2019-01-10 10:59:35 -05:00
parent 1277ca4876
commit e2c743445f
1 changed files with 34 additions and 0 deletions
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34
test/unit/redux/preview-test.js
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@ -128,3 +128,37 @@ tap.test('addNewComment, reply comment', t => {
t.equal(state.replies.id1[2].id, 'new comment');
t.end();
});
tap.test('setReplies', t => {
// setReplies should append new replies
state = reducer(commentState, Preview.setReplies({
id1: {id: 'id6'}
}));
t.equal(state.replies.id1[2].id, 'id6');
t.equal(state.comments[0].moreRepliesToLoad, false);
// setReplies can add replies to a comment that didn't have any
state = reducer(state, Preview.setReplies({
id2: {id: 'id7'}
}));
t.equal(state.replies.id1.length, 3);
t.equal(state.replies.id2.length, 1);
t.equal(state.replies.id2[0].id, 'id7');
t.equal(state.comments[0].moreRepliesToLoad, false);
t.equal(state.comments[1].moreRepliesToLoad, false);
// Getting 20 (COMMENT_LIMIT) replies sets moreRepliesToLoad to true
state = reducer(state, Preview.setReplies({
id3: (new Array(20)).map((_, i) => ({id: `id${i + 1}`}))
}));
t.equal(state.comments[0].moreRepliesToLoad, false);
t.equal(state.comments[1].moreRepliesToLoad, false);
t.equal(state.comments[2].moreRepliesToLoad, true);
// Getting one more reply sets moreRepliesToLoad back to false
state = reducer(state, Preview.setReplies({
id3: {id: 'id21'}
}));
t.equal(state.comments[2].moreRepliesToLoad, false);
t.end();
});